Investing Profile

Ian Hathaway

AdvisorVCInvestor

Partner at OpenAI

openai.comSan Francisco, California

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Ian Hathaway's investing connections

Connected to 2 investors on Signal.

Networks Ian is a member of

OpenAI Network

63 CONNECTIONS

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Current Investing Position

OpenAI Partner

Investment Range

$100K - $5.0M

Sweet Spot

$1.5M

Investments On Record

Ian Hathaway is on these Sector & Stage Rankings

AI (Seed)AI (Series A)New York City San Francisco Bay Area

Ian Hathaway's Investments On Record (6)

Company	StageDateRound Size	Total Raised
Adaptive Security	Series BDec 2025$81M Series AApr 2025$55M	$140M
Co-investors: Zane Lackey (Andreessen Horowitz), Enrique Salem (Bain Capital Ventures)
Harvey	Series EOct 2025$59M Series EJun 2025$300M Series DFeb 2025$300M Series CJul 2024$100M Series BDec 2023$80M SeedNov 2022$5M	$1.2B
Co-investors: Sangeen Zeb (GV (Google Ventures)), Patrick Grady (Sequoia Capital), Anas Biad (Sequoia Capital), Elad Gil (Gil Capital / Gil & Co), Ilya Fushman (Kleiner Perkins), Brian Halligan (Longworth Ventures), Saurabh Gupta (DST Global), Kris Fredrickson (Verified Capital)
Endex	Series UnknownAug 2025$14M	$14M
Ambience Healthcare	Series CJul 2025$240M Series BFeb 2024$70M	$320M
Co-investors: Julie Yoo (Andreessen Horowitz), Immad Akhund (Y Combinator), Mamoon Hamid (Kleiner Perkins), Vignesh Chandramouli (Oak HC/FT)
Speak	Series CDec 2024$78M Series BNov 2022$27M	$150M
Co-investors: Sven Strohband (Khosla Ventures), Josh Buckley (Buckley Ventures), Justin Mateen (Unknown Ventures), Jeff Weiner (Next Play Ventures), Arash Ferdowsi (Dropbox), Lachy Groom (Physical Intelligence), Ben Quazzo (Accel-KKR), Gokul Rajaram (gokulrajaram.com), Drew Houston, Paul Graham
Anysphere (Cursor)	SeedJul 2023$8M	$2.4B
Co-investors: Marco Mascorro (Andreessen Horowitz), Joshua Kushner (Thrive Capital), Matt Bornstein (Andreessen Horowitz), Martin Casado (Andreessen Horowitz), Arash Ferdowsi (Dropbox), Nat Friedman (Self-employed), Patrick Collison (Archipelagos, Institute of Marine Conservation), Michael Fertik (Heroic Ventures)

Ian Hathaway's Experience

Partner OpenAIPresent

Investor Haystack2017 - 2021

Investors who invest with Ian Hathaway

Scouts & Angels Affiliated With Ian Hathaway